Cosina Auto Cosinon 55mm F/2.1

MountM42

Focal length55mm

Max aperturef/2.1

TypePrime

Weight160 g

Filter size49 mm

Min focus distance0.6 m

Aperture blades6

Optical elements4

Groups4

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

EraFilm era

Production statusDiscontinued

Lens TypeStandard prime lens

Cosina Auto Cosinon is a 55mm M42-mount prime lens with a maximum aperture of f/2.1, suited to general-purpose photography and low-light use.

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Catalog note · source: thelensdb

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This lens family is also indexed in 1 other mount.